Free tool

Assumption Mapper

Make the riskiest belief visible: place assumptions by importance and evidence, draft a test for the danger zone, then move the work into the Test Register → after reading about assumption-led discovery →

Importance × evidence map

Test firstMonitorParkIgnore
desirabilityviabilityfeasibilityusability

Assumption list

Test first · 1

New assumption

We believe New assumption. We will know we are wrong if…

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